FR1521758A - Method for measuring the hardness of a steel - Google Patents

Method for measuring the hardness of a steel

Info

Publication number
FR1521758A
FR1521758A FR104893A FR104893A FR1521758A FR 1521758 A FR1521758 A FR 1521758A FR 104893 A FR104893 A FR 104893A FR 104893 A FR104893 A FR 104893A FR 1521758 A FR1521758 A FR 1521758A
Authority
FR
France
Prior art keywords
hardness
steel
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR104893A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Youngstown Sheet and Tube Co
Original Assignee
Youngstown Sheet and Tube Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Youngstown Sheet and Tube Co filed Critical Youngstown Sheet and Tube Co
Priority to FR104893A priority Critical patent/FR1521758A/en
Application granted granted Critical
Publication of FR1521758A publication Critical patent/FR1521758A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/80Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR104893A 1967-05-02 1967-05-02 Method for measuring the hardness of a steel Expired FR1521758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR104893A FR1521758A (en) 1967-05-02 1967-05-02 Method for measuring the hardness of a steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR104893A FR1521758A (en) 1967-05-02 1967-05-02 Method for measuring the hardness of a steel

Publications (1)

Publication Number Publication Date
FR1521758A true FR1521758A (en) 1968-04-19

Family

ID=8630025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR104893A Expired FR1521758A (en) 1967-05-02 1967-05-02 Method for measuring the hardness of a steel

Country Status (1)

Country Link
FR (1) FR1521758A (en)

Similar Documents

Publication Publication Date Title
CH515508A (en) Method for measuring the distance of a fault between phases or to earth
FR1514438A (en) Method for measuring the configuration or thickness of a metallic body
CH466591A (en) Method for measuring a displacement and device for implementing the method
FR1521758A (en) Method for measuring the hardness of a steel
CH508882A (en) Method for measuring the slip of an asynchronous motor
CH521201A (en) Method for the compensation of errors in measurements supplied by a position feeler and apparatus for implementing this method
CH492194A (en) Trolley gauge for measuring the diameter of a cylinder
CH531171A (en) Optical method for measuring the displacements of a civil engineering structure
CH511290A (en) Process for preparing an internally nitrided austenitic steel
CH1366270A4 (en) Method and apparatus for measuring the instantaneous rate of a timepiece
FR1522065A (en) Process for the production of metal halides
CH490499A (en) Process for the production of steel
CH551003A (en) MICRODUROMETER FOR MEASURING THE HARDNESS OF A SAMPLE.
FR1543255A (en) Method for electro-optic distance measurement
FR1413721A (en) Method for cleaning metal articles
FR1514515A (en) Method and device for producing steel
FR1525143A (en) Process for performing underwater work
CH525747A (en) Abrasion process
FR1533589A (en) Coating process for corrosion resistant coating
FR1353141A (en) Method for measuring the density and thickness of an object by a flux of gamma rays
FR1543102A (en) Method for adjusting the grip of a rolling mill
FR1449005A (en) Stainless steel pickling process
FR1314310A (en) Corrosion inhibition process
FR1098395A (en) Method for determining the maximum totals corresponding to a recording period
FR1542612A (en) Method and machine for making photocalques